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Clean up packetmath tests and fix various bugs to make bfloat16 pass (almost) all packetmath tests with SSE, AVX, and AVX512.

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This commit is contained in:
Rasmus Munk Larsen
2020-10-09 20:05:49 +00:00
parent 7a8d3d5b81
commit 4e4d3f32d1
8 changed files with 114 additions and 70 deletions
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27
Eigen/src/Core/arch/Default/BFloat16.h
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@@ -103,8 +103,8 @@ struct numeric_limits<Eigen::bfloat16> {
static const bool has_infinity = true;
static const bool has_quiet_NaN = true;
static const bool has_signaling_NaN = true;
static const float_denorm_style has_denorm = numeric_limits<float>::has_denorm;
static const bool has_denorm_loss = numeric_limits<float>::has_denorm_loss;
static const float_denorm_style has_denorm = std::denorm_absent;
static const bool has_denorm_loss = false;
static const std::float_round_style round_style = numeric_limits<float>::round_style;
static const bool is_iec559 = false;
static const bool is_bounded = true;
@@ -551,18 +551,24 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 tanh(const bfloat16& a) {
}
#if EIGEN_HAS_CXX11_MATH
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 asinh(const bfloat16& a) {
return bfloat16(::asinh(float(a)));
EIGEN_USING_STD(asinhf);
return bfloat16(asinhf(float(a)));
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 acosh(const bfloat16& a) {
return bfloat16(::acosh(float(a)));
EIGEN_USING_STD(acoshf);
return bfloat16(acoshf(float(a)));
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 atanh(const bfloat16& a) {
return bfloat16(::atanh(float(a)));
EIGEN_USING_STD(atanhf);
return bfloat16(atanhf(float(a)));
}
#endif
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 floor(const bfloat16& a) {
return bfloat16(::floorf(float(a)));
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 rint(const bfloat16& a) {
return bfloat16(::rintf(float(a)));
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 ceil(const bfloat16& a) {
return bfloat16(::ceilf(float(a)));
}
@@ -581,6 +587,17 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 (max)(const bfloat16& a, const bf
return f1 < f2 ? b : a;
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 fmin(const bfloat16& a, const bfloat16& b) {
const float f1 = static_cast<float>(a);
const float f2 = static_cast<float>(b);
return bfloat16(::fminf(f1, f2));
}
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 fmax(const bfloat16& a, const bfloat16& b) {
const float f1 = static_cast<float>(a);
const float f2 = static_cast<float>(b);
return bfloat16(::fmaxf(f1, f2));
}
#ifndef EIGEN_NO_IO
EIGEN_ALWAYS_INLINE std::ostream& operator << (std::ostream& os, const bfloat16& v) {
os << static_cast<float>(v);